Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:66 Stack trace: #0 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(66): PDO->__construct() #1 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(85): Illuminate\Database\Connectors\Connector->createPdoConnection() #2 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(48): Illuminate\Database\Connectors\Connector->tryAgainIfCausedByLostConnection() #3 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection() #4 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/ConnectionFactory.php(185): Illuminate\Database\Connectors\MySqlConnector->connect() #5 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors\{closure}() #6 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(1231): call_user_func() #7 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(1267): Illuminate\Database\Connection->getPdo() #8 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(512): Illuminate\Database\Connection->getReadPdo() #9 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(407): Illuminate\Database\Connection->getPdoForSelect() #10 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(812): Illuminate\Database\Connection->Illuminate\Database\{closure}() #11 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(979): Illuminate\Database\Connection->runQueryCallback() #12 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(958): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #13 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(781): Illuminate\Database\Connection->handleQueryException() #14 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(398): Illuminate\Database\Connection->run() #15 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3106): Illuminate\Database\Connection->select() #16 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3091): Illuminate\Database\Query\Builder->runSelect() #17 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3676): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #18 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3090): Illuminate\Database\Query\Builder->onceWithColumns() #19 /var/www/html/2012/lib/pkp/classes/site/VersionDAO.php(198): Illuminate\Database\Query\Builder->get() #20 /var/www/html/2012/lib/pkp/classes/core/PKPApplication.php(524): PKP\site\VersionDAO->getCurrentProducts() #21 /var/www/html/2012/lib/pkp/classes/plugins/PluginRegistry.php(238): PKP\core\PKPApplication->getEnabledProducts() #22 /var/www/html/2012/lib/pkp/classes/plugins/PluginRegistry.php(127): PKP\plugins\PluginRegistry::loadFromDatabase() #23 /var/www/html/2012/lib/pkp/classes/core/Dispatcher.php(147): PKP\plugins\PluginRegistry::loadCategory() #24 /var/www/html/2012/lib/pkp/classes/core/PKPApplication.php(438): PKP\core\Dispatcher->dispatch() #25 /var/www/html/2012/index.php(20): PKP\core\PKPApplication->execute() #26 {main} Next Illuminate\Database\QueryException: SQLSTATE[HY000] [2002] Connection refused (Connection: mysql, SQL: select * from `versions` as `v` left join `plugin_settings` as `ps` on `ps`.`plugin_name` = LOWER(v.product_class_name) and `ps`.`setting_name` = enabled and (COALESCE(context_id, 0) = 0 or `v`.`sitewide` = 1) where `v`.`current` = 1 and (`ps`.`setting_value` = 1 or `v`.`lazy_load` != 1)) in /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:825 Stack trace: #0 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(979): Illuminate\Database\Connection->runQueryCallback() #1 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(958): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #2 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(781): Illuminate\Database\Connection->handleQueryException() #3 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(398): Illuminate\Database\Connection->run() #4 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3106): Illuminate\Database\Connection->select() #5 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3091): Illuminate\Database\Query\Builder->runSelect() #6 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3676): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #7 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3090): Illuminate\Database\Query\Builder->onceWithColumns() #8 /var/www/html/2012/lib/pkp/classes/site/VersionDAO.php(198): Illuminate\Database\Query\Builder->get() #9 /var/www/html/2012/lib/pkp/classes/core/PKPApplication.php(524): PKP\site\VersionDAO->getCurrentProducts() #10 /var/www/html/2012/lib/pkp/classes/plugins/PluginRegistry.php(238): PKP\core\PKPApplication->getEnabledProducts() #11 /var/www/html/2012/lib/pkp/classes/plugins/PluginRegistry.php(127): PKP\plugins\PluginRegistry::loadFromDatabase() #12 /var/www/html/2012/lib/pkp/classes/core/Dispatcher.php(147): PKP\plugins\PluginRegistry::loadCategory() #13 /var/www/html/2012/lib/pkp/classes/core/PKPApplication.php(438): PKP\core\Dispatcher->dispatch() #14 /var/www/html/2012/index.php(20): PKP\core\PKPApplication->execute() #15 {main} thrown in /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 825

Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php:66 Stack trace: #0 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(66): PDO->__construct() #1 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(85): Illuminate\Database\Connectors\Connector->createPdoConnection() #2 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/Connector.php(48): Illuminate\Database\Connectors\Connector->tryAgainIfCausedByLostConnection() #3 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/MySqlConnector.php(24): Illuminate\Database\Connectors\Connector->createConnection() #4 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connectors/ConnectionFactory.php(185): Illuminate\Database\Connectors\MySqlConnector->connect() #5 [internal function]: Illuminate\Database\Connectors\ConnectionFactory->Illuminate\Database\Connectors\{closure}() #6 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(1231): call_user_func() #7 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(592): Illuminate\Database\Connection->getPdo() #8 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(812): Illuminate\Database\Connection->Illuminate\Database\{closure}() #9 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(979): Illuminate\Database\Connection->runQueryCallback() #10 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(958): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #11 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(781): Illuminate\Database\Connection->handleQueryException() #12 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(584): Illuminate\Database\Connection->run() #13 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(536): Illuminate\Database\Connection->affectingStatement() #14 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3830): Illuminate\Database\Connection->update() #15 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Session/DatabaseSessionHandler.php(173): Illuminate\Database\Query\Builder->update() #16 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Session/DatabaseSessionHandler.php(140): Illuminate\Session\DatabaseSessionHandler->performUpdate() #17 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Session/Store.php(176): Illuminate\Session\DatabaseSessionHandler->write() #18 /var/www/html/2012/lib/pkp/classes/core/PKPSessionServiceProvider.php(38): Illuminate\Session\Store->save() #19 [internal function]: PKP\core\PKPSessionServiceProvider->PKP\core\{closure}() #20 {main} Next Illuminate\Database\QueryException: SQLSTATE[HY000] [2002] Connection refused (Connection: mysql, SQL: update `sessions` set `payload` = YToyOntzOjY6Il90b2tlbiI7czo0MDoiT1ZsY0ZDUnNBa3BIZ2VqSG45ZE1WbERjUEQzSmdCRGlFU2VLbm91diI7czo2OiJfZmxhc2giO2E6Mjp7czozOiJvbGQiO2E6MDp7fXM6MzoibmV3IjthOjA6e319fQ==, `last_activity` = 1791334246, `user_id` = ?, `ip_address` = 192.168.171.253, `user_agent` = python-requests/2.27.1 where `id` = jwa77RlL4DC9VEEx1eOrOHL7f0kxJQbIV4kuRqaS) in /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php:825 Stack trace: #0 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(979): Illuminate\Database\Connection->runQueryCallback() #1 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(958): Illuminate\Database\Connection->tryAgainIfCausedByLostConnection() #2 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(781): Illuminate\Database\Connection->handleQueryException() #3 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(584): Illuminate\Database\Connection->run() #4 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php(536): Illuminate\Database\Connection->affectingStatement() #5 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Query/Builder.php(3830): Illuminate\Database\Connection->update() #6 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Session/DatabaseSessionHandler.php(173): Illuminate\Database\Query\Builder->update() #7 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Session/DatabaseSessionHandler.php(140): Illuminate\Session\DatabaseSessionHandler->performUpdate() #8 /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Session/Store.php(176): Illuminate\Session\DatabaseSessionHandler->write() #9 /var/www/html/2012/lib/pkp/classes/core/PKPSessionServiceProvider.php(38): Illuminate\Session\Store->save() #10 [internal function]: PKP\core\PKPSessionServiceProvider->PKP\core\{closure}() #11 {main} thrown in /var/www/html/2012/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Database/Connection.php on line 825